w_, Volume I, page 106.
(2) _Mercy to Animals_, I, 413.
(3) _How They Brought the Good News from Ghent to Aix_, V, 335.
(4) _To a Mouse_, VII, 5.

_d._ Stories:
(1) _A Dog of Flanders_, Volume IV, page 93.
(2) _The Lion and the Missionary_, VI, 93.
(3) _Rab and His Friends_, VI, 99.
(4) _Elephant Hunting_, VI, 385.
(5) _The Gorilla Hunt_, VII, 247.

_e._ Essays:
(1) _Some Clever Monkeys_, Volume VI, page 402.
(2) _The Buffalo_, VII, 96.

_f._ See, also, references to _Tom, the Water Baby_, _The Swiss
Family Robinson_, _Brute Neighbors_, and _The Pond in Winter_,
in the earlier part of this section.

IV. Reptiles:
_a._ Fable:
(1) _The Boys and the Frogs_, Volume I, page 63.

_b._ See, also, references to _Tom, the Water Baby_, and _The
Swiss Family Robinson_, in the earlier part of this section.

V. Insects:
_a._ Nursery rhyme:
(1) _Little Miss Muffett_, Volume I, page 29.

_b._ Fable:
(1) _The Gnat and the Bull_, I, 70.

_c._ Poem:
(1) _The Spider and the Fly_, III, 19.

_d._ Essay:
(1) _Trees and Ants That Help Each Other_, VII, 306.

_e._ See, also, references to _Tom, the Water Baby_, in the earlier
part of this section.

VI. Denizens of the water:
_a._ Fish:
(1) _Salmon Fishing_, Volume VII, page 285.
(2) "Pickerel," in _The Pond in Winter_, VII, 280.
(3) See, also, "Salmon," in _Tom, the Water Baby_, II, 272, 279-283.

_b._ See numerous references to _Tom, the Water Baby_, in the
earlier part of this section.

VII. Natural Phenomena:
_a._ Nursery rhymes:
(1) _Rainbow in the Morning_, Volume I, page 48.
(2) _If All the World Were Water_, I, 48.

_b._ Poems:
(1) _Twinkle, Twinkle, Little Star_, Volume I, page 44.
(2) _The Sun's Travels_, I, 68.
(3) _Rain_, I, 110.
(4) _Autumn Fires_, I, 394.
(5) _The Wind_, I, 440.
(6) _The First Snowfall_, II 403.
(7) _In Time's Swing_, II, 481.
(8) _Echo_, III, 286.
(9) _The Rainbow_, VI, 91.
(10) _Sweet and Low_, VI, 122.
(11) _The Cloud_, VII, 257.

_c._ Fable:
(1) _The Wind and the Sun_, Volume I, page 95.

VIII. Geographical in Nature:
(1) _At the Seaside_, Volume I, page 129.
(2) _From a Railway Carriage_, I, 198.
(3) _St